Derby Originals Aussie Duster Stockman's Oil Skin Waterproof Coat At Wholesale Price Heavy oil skin cotton duck material is breathable, waterproof, and reduces perspiration. Double front snaps and large storm cape helps keep out the rain. Cargo pockets and leg straps are perfect for working around the farm or everyday wear. Made of dress canvas with leather nubuck collar and elbow patches. The adjustable storm cuffs, saddle gusset and soft premium cotton lining are a real life saver when your out in the back.